5D10.10 - Resistor Models and Demos

Code Number:
Demo Title:
Resistor Models and Demos
Principles and Varieties of Resistors
Area of Study:
Electricity & Magnetism
Demo Resistors (Assorted).

The demo resistors should need no advanced preparation.  These are just to show the wide variety of types and sizes available.

  • Chris Chiaverina, "Exploring Electric Circuits and Resistance Using Pencil Lead", TPT, Vol. 52, #9, Dec. 2014, p. 570.
  • Donald E. Rehfuss, "Current Concepts Consolidated", TPT, Vol. 42, #2, Feb. 2004, p. 103.
  • Paul Hewitt, "Figuring Physics", TPT, Vol. 41, #3, Mar 2003, p. 183.
  • Marvin L. De Jong, "On R = r L/A", TPT, Vol. 35, #5, May 1997, p. 286.
  • Richard Grant, "Basis Electricity - A Novel Analogy", TPT, Vol. 34, #3, Mar. 1996, p. 188.
  • Lawrence D. Woolf and Holger H. Streckert, "Graphite Pencil Line for Exploring Resistance", TPT, Vol. 34, #7, Oct. 1996, p. 440.
  • Roy W. Clark and Judith M. Bonicamp, "Tapered Resistors", TPT, Vol. 33, #6, Sept. 1995, p. 340.
  • Leonard M. Kahn, "Demonstration of Resistance", TPT, Vol. 25, #1, Jan. 1987, p. 34.

Disclaimer: These demonstrations are provided only for illustrative use by persons affiliated with The University of Iowa and only under the direction of a trained instructor or physicist.  The University of Iowa is not responsible for demonstrations performed by those using their own equipment or who choose to use this reference material for their own purpose.  The demonstrations included here are within the public domain and can be found in materials contained in libraries, bookstores, and through electronic sources.  Performing all or any portion of any of these demonstrations, with or without revisions not depicted here entails inherent risks.  These risks include, without limitation, bodily injury (and possibly death), including risks to health that may be temporary or permanent and that may exacerbate a pre-existing medical condition; and property loss or damage.  Anyone performing any part of these demonstrations, even with revisions, knowingly and voluntarily assumes all risks associated with them.